deps(deps-dev): bump rector/rector from 2.4.2 to 2.4.3 (#44)

Bumps [rector/rector](https://github.com/rectorphp/rector) from 2.4.2 to 2.4.3.
- [Release notes](https://github.com/rectorphp/rector/releases)
- [Commits](rectorphp/rector@2.4.2...2.4.3)

---
updated-dependencies:
- dependency-name: rector/rector
  dependency-version: 2.4.3
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Author: dependabot[bot]